class GameUtils {

	private static _instance: GameUtils = null;

	public constructor() {
		if (GameUtils._instance) {
			throw new Error("Instance is alreally exist");
		}
	}

	public static instance(): GameUtils {
		if (this._instance == null) {
			this._instance = new GameUtils();
		}
		return this._instance;
	}
	public initGame(): void {
		console.log("initGame");
		PanelManager.openMain();
	}
}